angular编译出错解决办法Angular Compiler was detected but it was an instance of the wrong class.
angular编译出错解决办法Angular Compiler was detected but it was an instance of the wrong class.
易兒善
发布于 2018-08-21 15:29:38
发布于 2018-08-21 15:29:38
出现如下错误：
错误信息
Module build failed: Error: Angular Compiler was detected but it was an instance of the wrong class.
This likely means you have several @ngtools/webpack packages installed. You can check this with `npm ls @ngtools/webpack`, and then remove the extra copies.大致意思是，出现错误，原因可能是安装了几个不同版本的@ngtools/webpack包，你可以使用npm ls @ngtools/webpack命令来检查，然后删除多余的副本。
npm ls @ngtools/webpack
果然有两个版本
提示@ngtools/webpack@1.8.0版本是多于的，然后去目录下面把它删掉，问题解决。
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原始发表：2017.11.15 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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